W39L040Q-90 WINBOND [Winbond], W39L040Q-90 Datasheet - Page 12

• Manufacturer Part Number: W39L040Q-90
• Description: 512 K X 8 CMOS FLASH MEMORY
• Manufacturer: WINBOND [Winbond]

Embedded #Data Polling Algorithm
Embedded Toggle Bit Algorithm
Yes
No
Address = Don't Care
Address = VA
DQ6 = Toggle
(DQ0 - DQ7)
Read Byte
DQ7 = Data
(DQ0 - DQ7)
Read Byte
Start
Pass
Pass
Start
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?
?
Yes
No
VA = Byte address for programming
= Any of the device addresses being erased
= Any of the page addresses within
= Any of the sector addresses within
erase operation
during chip erase operation
the page being erased during page
erase operation
the sector being erased during sector
W39L040